class Point{
	double x , y , z;
	Point (double _x ,double _y ,double _z){
		z = _z;
		x = _x;
		y = _y;
	}
	
	void setX(double _x){
		x = _x;
	}
	
	void setY(double _y){
		y = _y;
	}
	
	void setZ(double _z){
		z = _z;
	}
	
	double getDistance(Point p){
		return (x - p.x) * (x - p.x) + (y - p.y) * (y - p.y) + (z - p.z) * (z - p.z);
	}
}

public class TextPoint{
	public static void main(String[] args){
		Point p = new Point(1.0 , 2.0 , 3.0);
		Point p1 = new Point(0.0 , 0.0 , 0.0);
		System.out.println(p.getDistance(p1));
		
		p.setX(5.0);
		//System.out.println(p.getDistance(new Point(1.0 , 1.0 , 1.0 )));
	}
}